Corner joint



Oct. 21, 1952 E. PEREMI EI'AL 2,614,666

CORNER JOINT Ori ginal Filed Feb. 14, 1946 2 SHEETSSHEET 1 i l 74. g 3 I I g r I l I I I I I I l I I I I l I I I I I I l i 75 I I l 73 l L I."

I E l I E I lg I I IE I I; I I 5 l 25? I I I "ZCF l I I I I I I I I I I \I I I I I 7/ Z4 INVENTORS I Edmund Peremi I a Henry Wez'mdnn ATTORNEYS Oct. 21, 1952 E, PEREN ETAL 2,614,666

CORNER JOINT Original Filed Feb. 14, 1946 2 Sl-lEETS-SHEET 2 IN ENTORS Edmund Peremzl BY Henry Wei/mann A T TORIV'EYS i I Patented Oct. 21 1952 I UNI-TEDv STATES PATENT OFFICE f I p I 2,614,666

CORN-ER JOINT Edmund Peremi, Bayside, N. Y., and Henry Weimann, Brentwood, Mo., assignors, bymesne 'assignments, to General Bronze Corporation, Garden City, N. Y., a corporation of New York Original application February 14, 1946, Serial No. 647,560; Divided and this application June 8, 1948, Serial No. 31,807

6 Claims.

The subject matter of this application is divided out of our co-pending application Serial No. 647,560, vfiled February- 14, 1946, on which Patent 2,473,298 was issued on June 14, 1949.

The-invention relates to a metal windowtsash andflframe construction. I p A11 object of the invention res des in the provision of an improved construction for'the corners bers and to as'sist in the locking of the mem-, bers together. I

With these and other objects in view, such as will appear as the description progresses, the invention resides in the combination and arrangement of parts illustrated in the drawings, described inthe specification and recited in the claims.

In the drawings wherein wehavef snown' one' I form of theinvention:

Figure l is a vertical elevation of the inside of a window frame andtsashes and in which our invention isv employed;

Figure 2' is a fragmentary view, partly in section, of. a corner of a sash and the adjacent portion of the frame wherein the employment of our: invention is illustrated; v a Figure 3 is a transverse sectional view through the sash illustrating the positions of the lock-' 'i'ng tongues whichform a portion of the embodiment ofour invention illustrated;

Figure 4 is a vertical sectional view taken at right angles to Figure 3; I Figure: 5 is a horizontal. sectional VlSW taken on line ti -5 of- Figure 2;

Figure 6 is a fragmentary perspective new of one end of one of the sash rails before its association with the other of the sash rails; and

Figure '7 is a similar view of the other of the sash rails showing the latter turned 90 to its position of association with the sash rail illustrated in Figure 6. Q

Referring to Figure l, the window construction, which includes double hung sashes, comprises a frame 20, a lower sash 2i and an upper sash 22. The window frame in which the sashes are mounted includes a header 23, a sill 2t and jambs 25. Each of the sashes 2| and 22 includes upper and lower horizontal rails and vertical side I rails, which may be formed ofextruded sections, and each of which is flanged so as to provide 1 weather-stripping and glazing channels.

The lower sash 2| comprises the upper or meeting horizontal rail 10 and the lower horizontal rail ll, both of which are preferably of tubular form, as illustrated in Figure 6,,and maybe of extruded aluminum, and side rails 12 which are preferably of channel form, as shown in Figure 6, and may,'also, be of extruded aluminum. These'side rails are formedwith abase 86 and projecting flanges 81 and- 90 Similarly the upper sash 22 comprises a lower horizontal or meeting rail 13 and an upper horizontal rail 14, both preferably of extruded aluminum and oftubularform, as shown in Figure 6, and side rails 15, which latter are preferably of channel form and ofextruded aluminum; as shown in Figure I I To insurethe rectangular form of the window sash frame or window frame during handling prior to installation and after installation, we have provided means forsecuring the corners of a the rails such as the rails of the sashestogether in such manner that not only will the-rectangular the corners will be leakproof, I

Referring. to Figures 2,-"through 'Lifor illusform be maintained but in the case of the sashes g trative' purposes, the upper horizontalsash rail 10 of the lower sash for instance, is provided with outwardly extending, tenons or tongues M} v and I42, which are adapted to be bent to engage with and interlock with an offset portion or mor tise I43 on the side rail 12,- with the edges 4 4 and I45 of the rail 10 respectively abutting the edges MBand- I41 of the siderail I2; The tongues MI and I42 are secured intheir interlocked relatioriship with the offset portion [3 by a joining metal. In Figure 4. we have illustratedthe relationship of this joining metal andthealunn num rails of a sash at a cornerof thesash. this figure it-willbe seen that the joining metal after being combined with the aluminum structure at the corner of the sash in a manner later tobe described, bonds the meeting portions of the ends of the rails at the'sash together and forms a leakproof joint to prevent entry of the weather into the tubular sash: rail 10. It will be seen from Figure 4 that at the end of the tubular rail 10 the joining metal I49 forms a leakproof seal. The joining metalialso bonds the corners of the rails together at the various points of contact between the corner elements of the rails.

In forming this leakproof joint a flowable metal is applied to the joint after the tongues MI and I42 have been mechanically interlocked with the oifset portion I43 and is then heated and upon heating will flow into the relatively small spaces between the interengaging portions of the corners of the rail, asillustrated in Figure 4. When the corner of the sash or frame, as the case may be, is thus assembled, the tongue 142 will overlie the upper edge, 150 of the offset portion I43 and will be bent downwardly in said offset portion as illustrated in Figure 4, and the upper surface of the tongue I42 will lie in the cut away portion iii of the offset portion 643 so that the upper surface of the rail 10 will be substantially in alignment with the upper end of the rail 12, as illustrated in Figure 4. r

The lower tongue i 'ii will extend through the opening 152 of the base 36 of the rail 12, and thence upwardly and lie within the offset portion I43, as illustrated in Figure 4. The tongues lei and I 42 and the base portion 36 are in substantial contact with each other, the sealing metal merely filling the voids between them.

When the tongues are thus engaged with the.

offset portion 543 the edge M4016 the rail 10 will engage the edge MB of the rail 72 and the edge 145 will engage the edge I41 of the rail '12, as has been pointed out. The edge 53 of therail 110 will engage the inner face I54 of the rail 12 and the edge I55 will engage the face 150 of the rail '12. At the same time the edge [51 of the rail 19 will engage the face I58 of the rail 12; s

Thus the relative movement of the corner portions of the rails in either the plane of the sash r laterally will be effectively prevented.

When we speak of aluminum herein We of course intend to include such alloys as are now in commercial use, and while we have illustrated and described a particular form of our invention in its application particularly to a corner of the sash it is to be understood that various changes may be made within the scope of the claims, and we therefore do not wish to be limited tothe illustrated embodiment except in so far as limitation is made necessary by the claims.

' We claim:-

1. A "metal window frame construction comprisin a pair of rail members abutting at their ends and forming a corner, one of said rail members having a pair of spaced flanges and a base member extending therebetween, a portion of said base member being offset from the plane thereof walls and a pair of tongues extending from op posite of said walls, one of which tongues extends over one end of said ofiset portion and through said opening in said base member and substantially parallel to and closely adjacent said offset 6 portion, the other of which tongues extends over the opposite end of said offset portion and substantially parallel to and closely adjacent said offset portion, said second mentionedrail member having end shoulders abutting the base member of said first-mentioned rail member on the side of the latter opposite to that from which said flanges of said first mentioned rail extend.

2. The combination of elements recited in claim 1 wherein said first-mentioned rail member is provided with a flange extension contacting a side edge of said last-mentioned rail member.

3. The combination of elements recited in claim 1 wherein said second-mentioned rail member includes upper, lower and side walls, the upper and lower walls being provided with end shoulders abutting said base member of said first-mentioned rail member, said first-mentioned rail member having extension flanges projecting from said base member from the side opposite to that from which said first-mentioned flanges extend and said second-mentioned rail member having shoulders on the upper and lower Walls thereof contacting the inner faces of said extension flanges.

4. The combination of elements recited in claim 3 wherein said second-mentioned rail member is provided with shoulders on the side walls thereof contacting the edges of said extension flanges.

5. The combination of elements recited in claim 1 wherein'the second-mentioned end of said offset portion terminates short of one end of said first-mentioned rail member to form a recess for the reception of the adjacent tongue on said second-mentioned rail member.

6. The combination of elements recited in claim 1 wherein said base member of said first-mentioned rail member is provided with shoulders substantially coextensive with the side edges of said tongues and arranged closely adjacent said side edges.

EDMUND PEREMI. HENRY WEIMANN.

REFERENCES CITED The'following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,003,784 Parish Sept. 19, 1911 1,026,838 Weis May 21, 1912 1,630,037 Stresau May 24, 1927 1,637,723 Axe Aug. 2, 1927 1,659,101 Harvey Feb. 14, 1928 1,975,622 Schermerhorn Oct. 2, 1934 2,001,681 Huff May 14, 1935 2,107,842 Verhagen Feb. 8, 1938 2,290,713 Sayles July 21, 1942 2,363,358 Punte Nov. 21, 1944 i V FOREIGN PATENTS Number Country Date Great Britain 1910 

